2852720

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^2\times {\mathrm{211}}^1$

素因数の和:250

約数の個数: 60

約数和(自身を含む): 7216056

約数和(自身を除く): 4363336

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 169, 208, 211, 260, 338, 422, 520, 676, 844, 845, 1040, 1055, 1352, 1688, 1690, 2110, 2704, 2743, 3376, 3380, 4220, 5486, 6760, 8440, 10972, 13520, 13715, 16880, 21944, 27430, 35659, 43888, 54860, 71318, 109720, 142636, 178295, 219440, 285272, 356590, 570544, 713180, 1426360, 2852720]

約数ペア:

[(1, 2852720), (2, 1426360), (4, 713180), (5, 570544), (8, 356590), (10, 285272), (13, 219440), (16, 178295), (20, 142636), (26, 109720), (40, 71318), (52, 54860), (65, 43888), (80, 35659), (104, 27430), (130, 21944), (169, 16880), (208, 13715), (211, 13520), (260, 10972), (338, 8440), (422, 6760), (520, 5486), (676, 4220), (844, 3380), (845, 3376), (1040, 2743), (1055, 2704), (1352, 2110), (1688, 1690)]